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Ohmite WNBR25FET Miniature Molded Wirewound Resistor
OHMITE's WNBR25FET series represents a range of miniature molded wirewound resistors engineered for high precision and reliability. Manufactured using computer numerical control (CNC) techniques, these resistors ensure consistent quality and tight tolerances. Encapsulated in SUMICON epoxy molding compound, they offer excellent protection against environmental factors and mechanical stress. Common applications include industrial control systems, automotive electronics, and power regulation circuits where stability and accuracy are paramount. The resistors are designed to meet MIL-R-26F specifications, ensuring their suitability for demanding military and aerospace applications.
Ohmite WNBR25FET Miniature Molded Wirewound Resistor Specifications:
- Power Rating: 2 watts
- Resistance Range: 0.100 - 250 Ω
- Weight: 712 g/1000pc
- Core Material: CeramTec Rubalit® 85% alumina
- End Caps: Stainless steel, precision formed
- Lead Material: Copper wire, 100% Sn (lead free) coated
- Resistance Wire: ISAOHM® wire TC ±20ppm/°C
- Encapsulation: SUMICON 1100/1200 Epoxy molding compound
- Standard Tolerance: D(0.5%), F(1.0%), J(5.0%)
- Temperature Coefficient: ±90 for 0.100Ω-0.99Ω, ±50 for 1.00Ω-10.00Ω, ±20 for >10.00Ω
- Maximum Working Voltage: (PxR)1/2
- Derating: Linearly from 100% @ +70°C to 0% @ +150°C
- Operating Temperature: -55°C to +150°C
- Thermal Shock: ±(1.0% + 0.5mΩ)ΔR
- Short-Time Overload: ±(0.5% + 0.5mΩ)ΔR
- Solderability: >90% of contact face
- Resistance to Heat: ±(0.5% + 0.5mΩ)ΔR
- Dielectric Withstanding Voltage: Pass
- Insulation Resistance: >109Ω
- High Temperature Exposure: ±(1.0% + 0.5mΩ)ΔR
- Low Temperature Storage: ±(0.5% + 0.5mΩ)ΔR
- Life Test: ±(2.0% + 0.5mΩ)ΔR
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Frequently Asked Questions
Where can I buy Ohmite WNBR25FET?
You can click on the BUY or RFQ button to purchase WNBR25FET from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part WNBR25FET?
You can download the WNBR25FET datasheet or visit the Ohmite website for support.
Who is the manufacturer of WNBR25FET?
Ohmite